Material Selection and Quality for Ceramic Rolling Elements

  • R. T. Cundill


Silicon nitride has the best combination of physical and mechanical properties for use as rolling elements in hybrid ceramic bearings. The term ‘silicon nitride’ describes a family of materials, including alpha- and beta-sialons, with different compositions and made by different processing routes. Not all types of silicon nitride are suitable for use in rolling bearing applications where stresses may be as high as 4 GPa. Specification and selection of types or grades of material together with the associated quality control parameters are important aspects in the development of hybrid ceramic bearings.


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Copyright information

© Elsevier Science Publishers Ltd and MPA Stuttgart 1992

Authors and Affiliations

  • R. T. Cundill
    • 1
  1. 1.SKF Engineering and Research CentreNieuwegeinThe Netherlands

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